1640851254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{45061}}^1$

素因数の和:45110

約数の個数: 72

約数和(自身を含む): 4316218608

約数和(自身を除く): 2675367354

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 289, 306, 357, 578, 714, 867, 1071, 1734, 2023, 2142, 2601, 4046, 5202, 6069, 12138, 18207, 36414, 45061, 90122, 135183, 270366, 315427, 405549, 630854, 766037, 811098, 946281, 1532074, 1892562, 2298111, 2838843, 4596222, 5362259, 5677686, 6894333, 10724518, 13022629, 13788666, 16086777, 26045258, 32173554, 39067887, 48260331, 78135774, 91158403, 96520662, 117203661, 182316806, 234407322, 273475209, 546950418, 820425627, 1640851254]

約数ペア:

[(1, 1640851254), (2, 820425627), (3, 546950418), (6, 273475209), (7, 234407322), (9, 182316806), (14, 117203661), (17, 96520662), (18, 91158403), (21, 78135774), (34, 48260331), (42, 39067887), (51, 32173554), (63, 26045258), (102, 16086777), (119, 13788666), (126, 13022629), (153, 10724518), (238, 6894333), (289, 5677686), (306, 5362259), (357, 4596222), (578, 2838843), (714, 2298111), (867, 1892562), (1071, 1532074), (1734, 946281), (2023, 811098), (2142, 766037), (2601, 630854), (4046, 405549), (5202, 315427), (6069, 270366), (12138, 135183), (18207, 90122), (36414, 45061)]